670317 has 4 divisors (see below), whose sum is σ = 893760. Its totient is φ = 446876.

The previous prime is 670303. The next prime is 670321. The reversal of 670317 is 713076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 670317 - 2¹⁶ = 604781 is a prime.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670317.

It is not an unprimeable number, because it can be changed into a prime (670217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111717 + ... + 111722.

It is an arithmetic number, because the mean of its divisors is an integer number (223440).

2⁶⁷⁰³¹⁷ is an apocalyptic number.

It is an amenable number.

670317 is a deficient number, since it is larger than the sum of its proper divisors (223443).

670317 is a wasteful number, since it uses less digits than its factorization.

670317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223442.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 670317 is about 818.7288928577. The cubic root of 670317 is about 87.5171993401.

The spelling of 670317 in words is "six hundred seventy thousand, three hundred seventeen".